Photonic excess noise and wave localization

被引：12

作者：

Beenakker, CWJ

Patra, M

Brouwer, PW

机构：

[1] Leiden Univ, Inst Lorentz, NL-2300 RA Leiden, Netherlands

[2] Cornell Univ, Atom & Solid State Phys Lab, Ithaca, NY 14853 USA

来源：

PHYSICAL REVIEW A | 2000年 / 61卷 / 05期

关键词：

D O I：

10.1103/PhysRevA.61.051801

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This is a theory for the effect of localization on the super-Poissonian noise of radiation propagating through an absorbing disordered waveguide. Localization suppresses both the mean photon current (I) over bar and the noise power P, but the Fano factor P/(I) over bar is found to remain unaffected. For strong absorption the Fano factor has the universal value 1 + 3/2 f (with f the Bose-Einstein function), regardless of whether the waveguide is long or short compared to the localization length.

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